Justin A. Amash is an American lawyer and politician who served as the U.S. representative for Michigan's 3rd congressional district from 2011 to 2021. He was the second Palestinian-American member of Congress. Originally a Republican, Amash left the GOP and became an independent on July 4, 2019. In April 2020 he joined the Libertarian Party, leaving Congress in January 2021 as the only Libertarian to serve in Congress.